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[aprssig] I'm still waiting for...

Scott Miller scott at opentrac.org
Mon Sep 24 16:29:08 UTC 2007


But this is *not* the same - sure, I have my gripes about the DSTAR 
architecture, the way the protocol is implemented, the awful 
documentation - but none of that is a huge deal.  Using the AMBE codec 
as a required part of that on-air standard IS a big deal, and it's more 
a legal issue than a technical gripe.

As others have pointed out here, if you were to come up with your own 
implementation of the AMBE codec and use it on the air for DSTAR 
compatibility, DVS would almost undoubtedly sue the pants off you - and 
not just for not paying them their licensing fee, but probably for 
opening the door to east Asian IP pirates who might use your code to 
make knock-off AMBE codecs for commercial products.

What OTHER on-air amateur radio protocol or modulation technique, past 
or present, are you absolutely NOT allowed to duplicate entirely by 
yourself?  I'm not sure even Pactor III falls into that category, and at 
least it's not presented as an open standard.

Scott
N1VG

Robert Bruninga wrote:
>> This is version 1.0 of digital ... on the 
>> ham bands.  Something better will come along and 
>> have less attachments, and all will be good 
>> in the world.
> 
> I doubt it.  No matter what, no mater when, there will be
> compliners then too.  Some hams just want to complain because
> the world that other people are actually building is different
> from what the armchair detractor wants.
> 
> We see it in ham radio all the time...  The threat of "I'm not
> going to implement such and such" because of some minor feature
> that was not included to their liking.  They will hold off doing
> the other 98% that is good and useful.  Some people after 15
> years of APRS have never tried it, because they want it to
> include [you-name-it-goes-here]...
> 
> Face it, those that have a mission to do, communications,
> emergency preparedness, public service, family communications,
> rag chewing, DX, or whatever.  They just go do it with what they
> can find.  Some just collect toys and kibitz or talk about how
> they would do it if they knew how...
> 
> One think is certain in Ham radio.  I learned it from Paul
> Rinaldo W4RI and the original AMRAD group that developed the
> AX.25 standard...  
> 
> HAM RADIO RULE:
> That is, that you cannot get people in ham radio to do what
> -YOU- want.  Ham radio is a hobby and people do what fulfills
> them.  Tell them what to do and nothing gets done.  To get
> something done, you look at what individuals want to do that you
> believe in and then give them the tools and resources and
> support to make progress.
> 
> CORROLARY:
> Complaining, and bashing the work of others accomplishes
> absolutely nothing towards making progress on anything.  And
> only makes life unpleasant for everyone.  In other words, be
> public in your support for things that are going the direction
> you want, give helpful personal feedback to those areas that you
> think need work.  Or I guess, simpler... Do something or be
> quiet.
> 
> Something like that anyway...
> Bob, WB4APR
> 
> 
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